Examples with NextObjective org.onosproject.net.flowobjective.NextObjective used on opensource projects

Example 26 with NextObjective

use of org.onosproject.net.flowobjective.NextObjective in project fabric-tna by stratum.

the class NextObjectiveTranslatorTest method testBroadcastOutput.

/**
 * Test program output group for Broadcast table.
 */
@Test
public void testBroadcastOutput() throws FabricPipelinerException {
    TrafficTreatment treatment1 = DefaultTrafficTreatment.builder().setOutput(PORT_1).build();
    TrafficTreatment treatment2 = DefaultTrafficTreatment.builder().popVlan().setOutput(PORT_2).build();
    NextObjective nextObjective = DefaultNextObjective.builder().withId(NEXT_ID_1).withPriority(PRIORITY).addTreatment(treatment1).addTreatment(treatment2).withMeta(VLAN_META).withType(NextObjective.Type.BROADCAST).makePermanent().fromApp(APP_ID).add();
    ObjectiveTranslation actualTranslation = translatorHashed.doTranslate(nextObjective);
    // Should generate 3 flows:
    // - Multicast table flow that matches on next-id and set multicast group (1)
    // - Egress VLAN pop handling for treatment2 (0)
    // - Next VLAN flow (2)
    // And 2 groups:
    // - Multicast group
    // Expected multicast table flow rule.
    PiCriterion nextIdCriterion = PiCriterion.builder().matchExact(P4InfoConstants.HDR_NEXT_ID, NEXT_ID_1).build();
    TrafficSelector nextIdSelector = DefaultTrafficSelector.builder().matchPi(nextIdCriterion).build();
    PiAction setMcGroupAction = PiAction.builder().withId(P4InfoConstants.FABRIC_INGRESS_NEXT_SET_MCAST_GROUP_ID).withParameter(new PiActionParam(P4InfoConstants.GROUP_ID, NEXT_ID_1)).build();
    TrafficTreatment treatment = DefaultTrafficTreatment.builder().piTableAction(setMcGroupAction).build();
    FlowRule expectedHashedFlowRule = DefaultFlowRule.builder().forDevice(DEVICE_ID).fromApp(APP_ID).makePermanent().withPriority(nextObjective.priority()).forTable(P4InfoConstants.FABRIC_INGRESS_NEXT_MULTICAST).withSelector(nextIdSelector).withTreatment(treatment).build();
    // Expected egress VLAN_PUSH flow rule.
    PiCriterion egressVlanTableMatch = PiCriterion.builder().matchExact(P4InfoConstants.HDR_EG_PORT, PORT_1.toLong()).build();
    TrafficSelector selectorForEgressVlan = DefaultTrafficSelector.builder().matchPi(egressVlanTableMatch).matchVlanId(VLAN_100).build();
    PiAction piActionForEgressVlan = PiAction.builder().withId(P4InfoConstants.FABRIC_EGRESS_EGRESS_NEXT_PUSH_VLAN).build();
    TrafficTreatment treatmentForEgressVlan = DefaultTrafficTreatment.builder().piTableAction(piActionForEgressVlan).build();
    FlowRule expectedEgressVlanPushRule = DefaultFlowRule.builder().withSelector(selectorForEgressVlan).withTreatment(treatmentForEgressVlan).forTable(P4InfoConstants.FABRIC_EGRESS_EGRESS_NEXT_EGRESS_VLAN).makePermanent().withPriority(nextObjective.priority()).forDevice(DEVICE_ID).fromApp(APP_ID).build();
    // Expected egress VLAN POP flow rule.
    egressVlanTableMatch = PiCriterion.builder().matchExact(P4InfoConstants.HDR_EG_PORT, PORT_2.toLong()).build();
    selectorForEgressVlan = DefaultTrafficSelector.builder().matchPi(egressVlanTableMatch).matchVlanId(VLAN_100).build();
    piActionForEgressVlan = PiAction.builder().withId(P4InfoConstants.FABRIC_EGRESS_EGRESS_NEXT_POP_VLAN).build();
    treatmentForEgressVlan = DefaultTrafficTreatment.builder().piTableAction(piActionForEgressVlan).build();
    FlowRule expectedEgressVlanPopRule = DefaultFlowRule.builder().withSelector(selectorForEgressVlan).withTreatment(treatmentForEgressVlan).forTable(P4InfoConstants.FABRIC_EGRESS_EGRESS_NEXT_EGRESS_VLAN).makePermanent().withPriority(nextObjective.priority()).forDevice(DEVICE_ID).fromApp(APP_ID).build();
    // Expected ALL group.
    TrafficTreatment allGroupTreatment1 = DefaultTrafficTreatment.builder().setOutput(PORT_1).build();
    TrafficTreatment allGroupTreatment2 = DefaultTrafficTreatment.builder().setOutput(PORT_2).build();
    List<TrafficTreatment> allTreatments = ImmutableList.of(allGroupTreatment1, allGroupTreatment2);
    List<GroupBucket> allBuckets = allTreatments.stream().map(DefaultGroupBucket::createAllGroupBucket).collect(Collectors.toList());
    GroupBuckets allGroupBuckets = new GroupBuckets(allBuckets);
    GroupKey allGroupKey = new DefaultGroupKey(FabricUtils.KRYO.serialize(NEXT_ID_1));
    GroupDescription expectedAllGroup = new DefaultGroupDescription(DEVICE_ID, GroupDescription.Type.ALL, allGroupBuckets, allGroupKey, NEXT_ID_1, APP_ID);
    ObjectiveTranslation expectedTranslation = ObjectiveTranslation.builder().addFlowRule(expectedHashedFlowRule).addFlowRule(vlanMetaFlowRule).addFlowRule(expectedEgressVlanPushRule).addFlowRule(expectedEgressVlanPopRule).addGroup(expectedAllGroup).build();
    assertEquals(expectedTranslation, actualTranslation);
}

Example 27 with NextObjective

use of org.onosproject.net.flowobjective.NextObjective in project trellis-control by opennetworkinglab.

the class McastHandler method getSinks.

/**
 * Gets sink(s) of given multicast group.
 *
 * @param mcastIp multicast IP
 * @return set of connect point or empty set if not found
 */
private Set<ConnectPoint> getSinks(IpAddress mcastIp, DeviceId device, ConnectPoint source) {
    McastPathStoreKey pathStoreKey = new McastPathStoreKey(mcastIp, source);
    Collection<? extends List<Link>> storedPaths = Versioned.valueOrElse(mcastPathStore.get(pathStoreKey), Lists.newArrayList());
    VlanId assignedVlan = mcastUtils.assignedVlan(device.equals(source.deviceId()) ? source : null);
    McastStoreKey mcastStoreKey = new McastStoreKey(mcastIp, device, assignedVlan);
    NextObjective nextObjective = Versioned.valueOrNull(mcastNextObjStore.get(mcastStoreKey));
    ImmutableSet.Builder<ConnectPoint> cpBuilder = ImmutableSet.builder();
    if (nextObjective != null) {
        Set<PortNumber> outputPorts = mcastUtils.getPorts(nextObjective.next());
        outputPorts.forEach(portNumber -> cpBuilder.add(new ConnectPoint(device, portNumber)));
    }
    Set<ConnectPoint> egressCp = cpBuilder.build();
    return egressCp.stream().filter(connectPoint -> !mcastUtils.isInfraPort(connectPoint, storedPaths)).collect(Collectors.toSet());
}

Example 28 with NextObjective

use of org.onosproject.net.flowobjective.NextObjective in project trellis-control by opennetworkinglab.

the class McastHandler method isSinkForGroup.

/**
 * Verify if a given connect point is sink for this group.
 *
 * @param mcastIp group address
 * @param connectPoint connect point to be verified
 * @param source source connect point
 * @return true if the connect point is sink of the group
 */
private boolean isSinkForGroup(IpAddress mcastIp, ConnectPoint connectPoint, ConnectPoint source) {
    VlanId assignedVlan = mcastUtils.assignedVlan(connectPoint.deviceId().equals(source.deviceId()) ? source : null);
    McastStoreKey mcastStoreKey = new McastStoreKey(mcastIp, connectPoint.deviceId(), assignedVlan);
    if (!mcastNextObjStore.containsKey(mcastStoreKey)) {
        return false;
    }
    NextObjective mcastNext = mcastNextObjStore.get(mcastStoreKey).value();
    return mcastUtils.getPorts(mcastNext.next()).contains(connectPoint.port());
}

Example 29 with NextObjective

use of org.onosproject.net.flowobjective.NextObjective in project trellis-control by opennetworkinglab.

the class McastHandler method removePortFromDevice.

/**
 * Removes a port from given multicast group on given device.
 * This involves the update of L3 multicast group and multicast routing
 * table entry.
 *
 * @param deviceId device ID
 * @param port port to be added
 * @param mcastIp multicast group
 * @param assignedVlan assigned VLAN ID
 * @return true if this is the last sink on this device
 */
private boolean removePortFromDevice(DeviceId deviceId, PortNumber port, IpAddress mcastIp, VlanId assignedVlan) {
    // TODO trace
    log.info("Removing {} on {}/{} and vlan {}", mcastIp, deviceId, port, assignedVlan);
    McastStoreKey mcastStoreKey = new McastStoreKey(mcastIp, deviceId, assignedVlan);
    // This device is not serving this multicast group
    if (!mcastNextObjStore.containsKey(mcastStoreKey)) {
        return true;
    }
    NextObjective nextObj = mcastNextObjStore.get(mcastStoreKey).value();
    Set<PortNumber> existingPorts = mcastUtils.getPorts(nextObj.next());
    // This port does not serve this multicast group
    if (!existingPorts.contains(port)) {
        if (!existingPorts.isEmpty()) {
            log.debug("{} is not serving {} on port {}. Abort.", deviceId, mcastIp, port);
            return false;
        }
        return true;
    }
    // Copy and modify the ImmutableSet
    existingPorts = Sets.newHashSet(existingPorts);
    existingPorts.remove(port);
    NextObjective newNextObj;
    ObjectiveContext context;
    ForwardingObjective fwdObj;
    if (existingPorts.isEmpty()) {
        context = new DefaultObjectiveContext((objective) -> log.debug("Successfully remove {} on {}/{}, vlan {}", mcastIp, deviceId, port.toLong(), assignedVlan), (objective, error) -> log.warn("Failed to remove {} on {}/{}, vlan {}: {}", mcastIp, deviceId, port.toLong(), assignedVlan, error));
        fwdObj = mcastUtils.fwdObjBuilder(mcastIp, assignedVlan, nextObj.id()).remove(context);
        if (!srManager.deviceConfiguration().isConfigured(deviceId)) {
            log.debug("skip forward flowobjective removal for device: {}", deviceId);
        } else {
            srManager.flowObjectiveService.forward(deviceId, fwdObj);
        }
        mcastNextObjStore.remove(mcastStoreKey);
    } else {
        // Here we store the next objective with the remaining port
        newNextObj = mcastUtils.nextObjBuilder(mcastIp, assignedVlan, existingPorts, nextObj.id()).removeFromExisting();
        mcastNextObjStore.put(mcastStoreKey, newNextObj);
        // Let's modify the next objective removing the bucket
        newNextObj = mcastUtils.nextObjBuilder(mcastIp, assignedVlan, ImmutableSet.of(port), nextObj.id()).removeFromExisting();
        if (!srManager.deviceConfiguration().isConfigured(deviceId)) {
            log.debug("skip next flowobjective update for device: {}", deviceId);
        } else {
            // no need to update the flow here since we have updated the next objective + group
            // the existing flow will keep pointing to the updated nextobj
            srManager.flowObjectiveService.next(deviceId, newNextObj);
        }
    }
    return existingPorts.isEmpty();
}

Example 30 with NextObjective

use of org.onosproject.net.flowobjective.NextObjective in project trellis-control by opennetworkinglab.

the class McastHandler method addPortToDevice.

/**
 * Adds a port to given multicast group on given device. This involves the
 * update of L3 multicast group and multicast routing table entry.
 *
 * @param deviceId device ID
 * @param port port to be added
 * @param mcastIp multicast group
 * @param assignedVlan assigned VLAN ID
 */
private void addPortToDevice(DeviceId deviceId, PortNumber port, IpAddress mcastIp, VlanId assignedVlan) {
    // TODO trace
    log.info("Adding {} on {}/{} and vlan {}", mcastIp, deviceId, port, assignedVlan);
    McastStoreKey mcastStoreKey = new McastStoreKey(mcastIp, deviceId, assignedVlan);
    ImmutableSet.Builder<PortNumber> portBuilder = ImmutableSet.builder();
    NextObjective newNextObj;
    if (!mcastNextObjStore.containsKey(mcastStoreKey)) {
        // First time someone request this mcast group via this device
        portBuilder.add(port);
        // New nextObj
        if (!srManager.deviceConfiguration().isConfigured(deviceId)) {
            log.debug("Passing 0 as nextId for unconfigured device {}", deviceId);
            newNextObj = mcastUtils.nextObjBuilder(mcastIp, assignedVlan, portBuilder.build(), 0).add();
        } else {
            newNextObj = mcastUtils.nextObjBuilder(mcastIp, assignedVlan, portBuilder.build(), null).add();
        }
        // Store the new port
        mcastNextObjStore.put(mcastStoreKey, newNextObj);
        // Create, store and apply the new nextObj and fwdObj
        ObjectiveContext context = new DefaultObjectiveContext((objective) -> log.debug("Successfully add {} on {}/{}, vlan {}", mcastIp, deviceId, port.toLong(), assignedVlan), (objective, error) -> {
            log.warn("Failed to add {} on {}/{}, vlan {}: {}", mcastIp, deviceId, port.toLong(), assignedVlan, error);
            // Schedule the removal using directly the key
            mcastWorker.execute(() -> mcastNextObjStore.remove(mcastStoreKey));
        });
        ForwardingObjective fwdObj = mcastUtils.fwdObjBuilder(mcastIp, assignedVlan, newNextObj.id()).add(context);
        if (!srManager.deviceConfiguration().isConfigured(deviceId)) {
            log.debug("skip next and forward flowobjective addition for device: {}", deviceId);
        } else {
            srManager.flowObjectiveService.next(deviceId, newNextObj);
            srManager.flowObjectiveService.forward(deviceId, fwdObj);
        }
    } else {
        // This device already serves some subscribers of this mcast group
        NextObjective nextObj = mcastNextObjStore.get(mcastStoreKey).value();
        // Stop if the port is already in the nextobj
        Set<PortNumber> existingPorts = mcastUtils.getPorts(nextObj.next());
        if (existingPorts.contains(port)) {
            log.debug("Port {}/{} already exists for {}. Abort", deviceId, port, mcastIp);
            return;
        }
        // Let's add the port and reuse the previous one
        portBuilder.addAll(existingPorts).add(port);
        // Reuse previous nextObj
        newNextObj = mcastUtils.nextObjBuilder(mcastIp, assignedVlan, portBuilder.build(), nextObj.id()).addToExisting();
        // Store the final next objective and send only the difference to the driver
        mcastNextObjStore.put(mcastStoreKey, newNextObj);
        // Add just the new port
        portBuilder = ImmutableSet.builder();
        portBuilder.add(port);
        newNextObj = mcastUtils.nextObjBuilder(mcastIp, assignedVlan, portBuilder.build(), nextObj.id()).addToExisting();
        if (!srManager.deviceConfiguration().isConfigured(deviceId)) {
            log.debug("skip next flowobjective update for device: {}", deviceId);
        } else {
            // no need to update the flow here since we have updated the nextobjective/group
            // the existing flow will keep pointing to the updated nextobj
            srManager.flowObjectiveService.next(deviceId, newNextObj);
        }
    }
}